<template>
  <div class="icon-body">
    <el-input
      v-model="iconName"
      class="icon-search"
      clearable
      placeholder="请输入图标名称"
      @clear="filterIcons"
      @input="filterIcons"
    >
      <template #suffix><i class="el-icon-search el-input__icon" /></template>
    </el-input>
    <div class="icon-list">
      <div class="list-container">
        <div class="icon-item-wrapper" @click="removeIcon">清空图标</div>
        <div v-for="(item, index) in iconList" class="icon-item-wrapper" :key="index" @click="selectedIcon(item)">
          <div :class="['icon-item', { active: activeIcon === item }]">
            <svg-icon :icon-class="item" class-name="icon" style="height: 25px; width: 16px" />
            <span>{{ item }}</span>
          </div>
        </div>
      </div>
    </div>
  </div>
</template>

<script setup>
import icons from "./requireIcons"

const props = defineProps({
  activeIcon: {
    type: String,
  },
})

const iconName = ref("")
const iconList = ref(icons)
const emit = defineEmits(["selected"])

function filterIcons() {
  iconList.value = icons
  if (iconName.value) {
    iconList.value = icons.filter((item) => item.indexOf(iconName.value) !== -1)
  }
}

function selectedIcon(name) {
  emit("selected", name)
  document.body.click()
}

function removeIcon() {
  emit("selected", "")
  document.body.click()
}

function reset() {
  iconName.value = ""
  iconList.value = icons
}

defineExpose({
  reset,
})
</script>

<style lang="scss" scoped>
.icon-body {
  width: 100%;
  padding: 10px;
  .icon-search {
    position: relative;
    margin-bottom: 5px;
  }
  .icon-list {
    height: 200px;
    overflow: auto;
    .list-container {
      display: flex;
      flex-wrap: wrap;
      .icon-item-wrapper {
        width: calc(100% / 3);
        height: 25px;
        line-height: 25px;
        cursor: pointer;
        display: flex;
        .icon-item {
          display: flex;
          max-width: 100%;
          height: 100%;
          padding: 0 5px;
          &:hover {
            background: #ececec;
            border-radius: 5px;
          }
          .icon {
            flex-shrink: 0;
          }
          span {
            display: inline-block;
            vertical-align: -0.15em;
            fill: currentColor;
            padding-left: 2px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
          }
        }
        .icon-item.active {
          background: #ececec;
          border-radius: 5px;
        }
      }
    }
  }
}
</style>
